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(parent: b0a93d9) | patch
scsi: Implement per-cpu logging buffer
authorHannes Reinecke <hare@suse.de>
Thu, 8 Jan 2015 06:43:42 +0000 (07:43 +0100)
committerChristoph Hellwig <hch@lst.de>
Fri, 9 Jan 2015 14:44:28 +0000 (15:44 +0100)
commitded85c193a391a84076d5c6a7a5668fe164a490e
treea8f7796e5dcd0c1263155cb8fc62c4d68cc9ec49tree | snapshot
parentb0a93d96b2814c725161f91a4e35d0c29ec0f95bcommit | diff
scsi: Implement per-cpu logging buffer

Implement a per-cpu buffer for formatting messages to avoid line breaks
up under high load.  This patch implements scmd_printk() and
sdev_prefix_printk() using the per-cpu buffer and makes sdev_printk() a
wrapper for sdev_prefix_printk().

Tested-by: Robert Elliott <elliott@hp.com>
Reviewed-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
drivers/scsi/Makefile diff | blob | history
drivers/scsi/scsi_logging.c [new file with mode: 0644] blob
include/scsi/scsi_device.h diff | blob | history
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